EMC 4K VA 20K VA UPS User Manual
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**) Note: In order for the UPS and power management software to operate normally,
Manual Bypass should always be set to OFF as the load will not be protected by the unit
when Manual Bypass is ON. This is aimed for operating an external maintenance bypass
switch.
***) Note: You should turn UPS off and keep the AC power before you use “Generator”
function. (even you want to select “\Generator\OFF” to back to normal mode).
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7.4 Interpreting UPS messages
Troubleshooting procedures described here give simple instructions in determining UPS
malfunctions.
Start the troubleshooting procedure if you witness any alarm indication on the control panel.
Alarm indicators
The UPS gives the following audible alarms:
z
If UPS is on battery and the ON BATTERY LED is on, UPS will beep every 5 seconds.
z
If the battery capacity is low and the ON BATTERY LED is flashing, the UPS will beep
twice every 5 seconds.
z
If UPS is on bypass and the BYPASSED LED is on, UPS will no beep.
z
If UPS has an internal fault and the ALARM LED is on, the UPS will give a constant
audible alarm displaying the cause on the LCD display.
Silencing an alarm
By pressing any of the three buttons on the front panel, the alarm can be turned off, except
when the battery is low, which will cause the alarm to resound.
On the LCD display, you can also choose silent alarm mode which will not warn you of any
malfunction audibly.